# Chapter 4 Resources

This contains a set of reference links related to the content presented in the chapter. I added this file to the code repo to give readers of the print book quick access to sites with supporting content.

+ [Cache Interface](https://developer.mozilla.org/en-US/docs/Web/API/Cache)
+ [JavaScript Promises: an Introduction](https://developers.google.com/web/fundamentals/primers/promises)
+ [Callback Hell](http://callbackhell.com/)
+ [nodemon](https://www.npmjs.com/package/nodemon)
+ [Response.type](https://developer.mozilla.org/en-US/docs/Web/API/Response/type)
+ [Cache-Control](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Cache-Control)
+ [Fiddler](https://www.telerik.com/fiddler)
